1990050 has 24 divisors (see below), whose sum is σ = 4935696. Its totient is φ = 530640.

The previous prime is 1990039. The next prime is 1990069. The reversal of 1990050 is 500991.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1990050.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6484 + ... + 6783.

It is an arithmetic number, because the mean of its divisors is an integer number (205654).

2^1990050 is an apocalyptic number.

1990050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1990050 is an abundant number, since it is smaller than the sum of its proper divisors (2945646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1990050 is a wasteful number, since it uses less digits than its factorization.

1990050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13282 (or 13277 counting only the distinct ones).

The product of its (nonzero) digits is 405, while the sum is 24.

The square root of 1990050 is about 1410.6913198854. The cubic root of 1990050 is about 125.7828206342.

The spelling of 1990050 in words is "one million, nine hundred ninety thousand, fifty".